ul{
	list-style: none;
}
#ads{
	width: 590px;
	height: 250px;
	margin: 20px auto;
	position: relative;
	
}
#ads img{
	width: 100%;
	height: 100%;
	position: absolute;
	left: 0;
	top: 0;
	display: none;
}
#ads img.show{
	display: block;
}
#ads ul{
	position: absolute;
	border: 10px;
	left: 240px;
}
#ads ul li{
	width: 12px;
	height: 12px;
	float: left;
	background: rgba();
	margin-right: 8px;
	border-radius:50%;
	cursor: pointer;
}
#ads ul li.active{
	background: orange;
}
